From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753279AbYJTX3y (ORCPT ); Mon, 20 Oct 2008 19:29:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751090AbYJTX3q (ORCPT ); Mon, 20 Oct 2008 19:29:46 -0400 Received: from www.tglx.de ([62.245.132.106]:37481 "EHLO www.tglx.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751255AbYJTX3p (ORCPT ); Mon, 20 Oct 2008 19:29:45 -0400 Date: Tue, 21 Oct 2008 01:29:23 +0200 (CEST) From: Thomas Gleixner To: Linus Torvalds cc: Andrew Morton , LKML , Arjan van de Ven , Ingo Molnar Subject: [GIT pull] range hrtimers for .28 Message-ID: User-Agent: Alpine 2.00 (LFD 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Linus, please pull range-hrtimers from git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git v28-range-hrtimers-for-linus These patches provide the following new functionality: - convert select/poll to hrtimers - introduce range_hrtimers which allow to apply slack on an hrtimer in order to allow batching of hrtimers - add a prctrl to modify the per process slack value - convert the user space interfaces to use the range(slack) interfaces a detailed description is available here: http://lwn.net/Articles/296578/ Full patch is available from: http://userweb.kernel.org/~tglx/v28-range-hrtimers-for-linus.patch Thanks, tglx --- Arjan van de Ven (30): select: Introduce a hrtimeout function select: switch select() and poll() over to hrtimers hrtimer: add abstraction functions for accessing the "expires" member hrtimer: convert kvm to the new hrtimer apis hrtimer: convert timerfd to the new hrtimer apis hrtimer: convert net::sched_cbq to the new hrtimer apis hrtimer: convert kernel/* to the new hrtimer apis hrtimer: convert powerpc/oprofile to the new hrtimer apis hrtimer: convert kvm-ia64 to the new hrtimer apis hrtimer: convert s390 to the new hrtimer apis hrtimer: convert sound/ to the new hrtimer apis hrtimer: rename the "expires" struct member to avoid accidental usage hrtimer: turn hrtimers into range timers hrtimer: create a "timer_slack" field in the task struct hrtimer: make select() and poll() use the hrtimer range feature hrtimer: fix build bug found by Ingo hrtimer: another build fix hrtimer: add a hrtimer_start_range() function hrtimer: incorporate feedback from Peter Zijlstra hrtimer: show the timer ranges in /proc/timer_list hrtimer: fix signed/unsigned bug in slack estimator hrtimer: make the nanosleep() syscall use the per process slack hrtimer: make the futex() system call use the per process slack value hrtimer: peek at the timer queue just before going idle select: fix alpha OSF wrapper select: fix alpha OSF wrapper rangetimer: fix x86 build failure for the !HRTIMERS case rangetimer: fix BUG_ON reported by Ingo rangetimers: fix the bug reported by Ingo for real Merge commit 'linus/master' into merge-linus Ingo Molnar (2): Merge branch 'master' of git://git.kernel.org/.../arjan/linux-2.6-hrtimer into timers/range-hrtimers hrtimers: fix typo Stephen Rothwell (1): DECLARE_PER_CPU needs linux/percpu.h Thomas Gleixner (8): select: add a timespec_add_safe() function select: add poll_select_set_timeout() and poll_select_copy_remaining() helpers select: add a poll specific struct to the restart_block union Merge branch 'for-linus' of git://git.kernel.org/.../arjan/linux-2.6-hrtimer into timers/range-hrtimers hrtimers: fix docbook comments hrtimers: simplify hrtimer_peek_ahead_timers() hrtimers: add missing docbook comments to struct hrtimer Merge branch 'timers/range-hrtimers' into v28-timers-for-linus arch/alpha/kernel/osf_sys.c | 13 +- arch/ia64/kvm/kvm-ia64.c | 2 +- arch/powerpc/oprofile/cell/spu_profiler.c | 2 +- arch/x86/kvm/i8254.c | 8 +- arch/x86/kvm/lapic.c | 6 +- drivers/cpuidle/cpuidle.c | 7 + drivers/s390/crypto/ap_bus.c | 6 +- fs/compat.c | 187 +++++--------- fs/select.c | 396 ++++++++++++++++------------- fs/timerfd.c | 8 +- include/linux/hrtimer.h | 105 ++++++++- include/linux/init_task.h | 1 + include/linux/poll.h | 8 +- include/linux/prctl.h | 7 + include/linux/sched.h | 6 + include/linux/thread_info.h | 8 + include/linux/time.h | 4 + kernel/fork.c | 2 + kernel/futex.c | 11 +- kernel/hrtimer.c | 206 ++++++++++++++-- kernel/posix-timers.c | 10 +- kernel/rtmutex.c | 3 +- kernel/sched.c | 7 +- kernel/sys.c | 10 + kernel/time.c | 18 ++ kernel/time/ntp.c | 3 +- kernel/time/tick-sched.c | 25 +- kernel/time/timer_list.c | 8 +- net/sched/sch_cbq.c | 7 +- sound/drivers/pcsp/pcsp_lib.c | 5 +- 30 files changed, 710 insertions(+), 379 deletions(-)